Revert "accel/qaic: Add mhi_qaic_cntl"

This reverts commit 566fc96.

This exposes a userspace API that is still under debate.  Revert the
change before the uAPI gets exposed to avoid making a mistake.  QAIC is
otherwise still functional.

Suggested-by: Daniel Vetter <[email protected]>
Signed-off-by: Jeffrey Hugo <[email protected]>
Reviewed-by: Pranjal Ramajor Asha Kanojiya <[email protected]>
Reviewed-by: Stanislaw Gruszka <[email protected]>
Acked-by: Daniel Vetter <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Jacek Lawrynowicz <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: quic-jhugo

drivers/accel/qaic/Makefile

@@ -7,7 +7,6 @@ obj-$(CONFIG_DRM_ACCEL_QAIC)	:= qaic.o
 
 qaic-y := \
 	mhi_controller.o \
-	mhi_qaic_ctrl.o \
 	qaic_control.o \
 	qaic_data.o \
 	qaic_drv.o